<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>placeholder使用</title>
	</head>
	<body>
		<form action="#" method="post">
		<p>
			请输入搜索的关键词：
			<input type="search" name="sousou" placeholder="请输入要搜索的关键字" />
			<input type="submit" value="Go" />
		</p>
		</form>
	</body>
</html>
